mcu_utils: add warning about fmw stored in repo
mcu_utils: add warning about fmw stored in repo

JuliusKunze/kotlin-native,olonho/carkot,JuliusKunze/kotlin-native,jiaminglu/kotlin-native,JetBrains/kotlin-native,wiltonlazary/kotlin-native,JuliusKunze/kotlin-native,olonho/carkot,JuliusKunze/kotlin-native,jiaminglu/kotlin-native,jiaminglu/kotlin-native,JetBrains/kotlin-native,jiaminglu/kotlin-native,jiaminglu/kotlin-native,JetBrains/kotlin-native,JetBrains/kotlin-native,wiltonlazary/kotlin-native,JetBrains/kotlin-native,JetBrains/kotlin-native,olonho/carkot,jiaminglu/kotlin-native,wiltonlazary/kotlin-native,jiaminglu/kotlin-native,wiltonlazary/kotlin-native,JuliusKunze/kotlin-native,olonho/carkot,JetBrains/kotlin-native,wiltonlazary/kotlin-native,JetBrains/kotlin-native,JuliusKunze/kotlin-native,jiaminglu/kotlin-native,olonho/carkot,olonho/carkot,JetBrains/kotlin-native,JuliusKunze/kotlin-native,JuliusKunze/kotlin-native,olonho/carkot